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Cutting in to a low V at her chest, the daring costume gave a sexy glimpse of her plentiful cleavage before clinging tightly to her flat stomach and petite waist.

The flirty thigh-skimming frock split into beaded fringing at the hem, which bounced endlessly as she writhed her hips to the music.

All that glitters: The model displayed her statuesque figure for all to see in the sizzling ensemble, formed of sexy nude mesh and completely encrusted with glittering silver gems

Not afraid to show off even more skin, the outfit then cut off at an eye-watering height to leave her lithe pins on show - which she elongated further with a pair of gladiator heels secured by knee-high straps.

The ex of the famous rock star added dramatic eye make-up to her face as well as a bold red lip and playful feather in her hair as she fully immersed herself in the carnival spirit.

Luciana, who was born in Brazil, oozed confidence as she took to the streets in her home country to rehearse for one of their biggest events of the year.

Leggy lady: The outfit cut off at an eye-watering height to leave her lithe pins on show - which she elongated further with a pair of gladiator heels secured by knee-high straps

The model is no doubt glad to be back in the heat after she spent most of this month skiing in a snowy Aspen, Colorado, with her son Lucas, 17 - who is the doppleganger of his father Mick, 73.

Lucas is Jagger's seventh child, and was born on May 18, 1999 as a result of an extramarital affair with Luciana.

It was rumoured that the model became pregnant after the pair had sex in a dog kennel following a Rolling Stones gig.

Having a ball: Luciana, who was born in Brazil, oozed confidence as she took to the streets in her home country to rehearse for one of their biggest events - Rio Carnival

However, in the Brazlilian version of Glamour magazine, the former catwalk beauty has rubbished the claim as a rock-n-roll myth with no merit.

She said: 'Can you imagine Mick Jagger . . . inside a kennel, me on top of him and the people at the party all watching?' she said.

'I am a super-refined gal and would never do this.'

In 1999 Luciana was described as ‘the straw that broke the camel’s back’ by Jerry Hall during her divorce from Mick.

Sweet: Luciana is mother to Mick Jagger's seventh child Lucas (above)

She previously said of model Jerry: 'I don't know how she feels about me, but I understand that I probably hurt her.'